Desert Senna is a member of the
Pea Family.
The plant grows to 24 inches in height and has stiff, gray-green leaves
that are divided into 3 pairs of 2 leaflets
to 2 inches long each. The plant
is considered a weed and is found along roadsides and areas where the
soil has been disturbed as well as on rocky slopes, mesas, sandy river
bottoms, and washes at elevations between
1000 - 3000 feet.

The Two Leaf Desert Senna flowers of the Woolly Bluestar have a light jasmine scent which is used to attract
nocturnal insects.

Desert Senna blooms between April -
October and
produces a rusty yellow flowers with 5 petals to 1 inch in width wide that
grow at the top of the stem. Flowers are followed by a woody seed pod
to 1.25 inches in length.